It also powers your car's electrical components, such as the stereo and power windows. If corrosion builds up on your car's battery, it can interfere with the battery's ability to function.

Your car battery can pick up all kinds of dirt and grime while sitting in the engine bay, and it's good to keep that clean. More important, though, is monitoring anything that appears on the ...

Because it was so clean and rust-free, he couldn't plunk down the $1,000 asking price fast enough. We started scheming about different ways to build it almost immediately. See All 11 Photos ...